Briefly explain Jupiter's interior
What will be an ideal response?
Models indicate that the interior of Jupiter is mostly liquid hydrogen. Under very high pressure, liquid hydrogen becomes liquid metallic hydrogen-a material that is a very good conductor of electricity. Most of Jupiter's interior is composed of this material. That large mass of conducting liquid, stirred by convection currents and spun by the planet's rapid rotation, drives the dynamo effect and generates a powerful magnetic field. Jupiter's field is more than 10 times stronger than Earth's. A planet's magnetic field deflects the solar wind and dominates a volume of space around the planet called the magnetosphere.
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What is a key limitation to traveling outside our Solar System in search for life? a. We have the wrong type of fuel source to power a spacecraft
b. We lack spacecraft that can escape Earth's gravity. c. We lack a decent place to send spacecraft outside of our Solar System. d. We have no way to communicate with an alien civilization. e. We have not yet been able to develop the technology to travel far distances.
The density of the universe is
a. equal to the critical density if the universe is closed. b. equal to the critical density if the universe is flat. c. greater than the critical density if the universe is flat. d. greater than the critical density if the universe is open. e. none of the above
One light-year is the distance light travels in one year. The speed of light is about 300,000 km/s (3 × 105 km/s). How far is 1 light-year?
A) 3 × 105 km B) 1.8 × 107 km C) 1.08 × 109 km D) 9.46 × 1012 km
If you had only one telescope and wanted to take both visible-light and ultraviolet pictures of stars, where should you locate your telescope?
A. on Earth’s surface B. on a tall mountain C. in an airplane D. in space